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How should I start using my astronomical telescope?
When you’re just starting out, the simpler the setup, the better. It’s recommended to only attach an H20 eyepiece to your telescope, then aim it at a prominent object 500-1000 meters away. Adjust the tube to a short focal length and slowly turn the focus knob until you see a clear image. Once you’re comfortable, you can try out other lenses and accessories.
Why is it difficult to see a clear night sky during astronomical observation?
Astronomical observation is heavily influenced by atmospheric turbulence, weather conditions, and urban light pollution. City lights are often brighter than the stars themselves. Choosing a dark location away from city lights, especially on clear and stable nights, will significantly improve your viewing experience.
Can I observe the Sun directly through a finderscope or the main telescope tube under any circumstances?
Absolutely not! Observing the Sun directly through a finderscope or the main telescope tube can cause severe eye damage and even permanent blindness. Always use specialized solar filters or other safety equipment to view the Sun.
How is the magnification of a telescope calculated?
The magnification of a telescope is determined by its focal length (denoted as F or f), calculated by dividing the focal length of the objective lens by the focal length of the eyepiece. The objective lens focal length is usually marked on the tube, while the eyepiece focal length is marked on its side. For example, a telescope with an 800mm focal length, using a 20mm eyepiece, will have a magnification of 40x, and with an 8mm eyepiece, the magnification will be 100x.
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